Hi guys, In this video we will cover the remaining topics in regards to light. The focus will be on: The concept of refraction Angle of refraction, angle of incidence, normal Formulae for refraction Refractive index Critical angle Total internal angle Image formation of a convex lens Dispersion of white light Join me on patreon for extra resources: www.patreon.com/cambridgein5minutes Visit my website for free notes: www.freeexamcadaemy.com